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DuPont™ Kapton® B PI Coil

Grade: DuPont™ Kapton® B
Formula: PI
Form: Coil
Material: Polyimide (PI)
CAS Number: 60842-76-4
Commodity: Polymers
Coil Width: 610mm
Color: Black
The DuPont™ Kapton® B PI Coil comes in over 43 variations, with different thicknesses, widths, diameters and lengths to suit a variety of applications. As a polyimide material, it offers high heat and chemical resistance. Potential uses for DuPont™ Kapton® B PI Coils include insulation for wires and cables, separators in batteries and flexible printed circuit boards. With its versatility, this product line provides polyimide films for engineers and researchers across many industries and applications.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Coil
Thickness ±20%

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Poor
Acids - dilute Fair
Alcohols Poor
Alkalis Poor
Aromatic hydrocarbons Good
Greases and Oils Good
Halogenated Hydrocarbons Good
Halogens Fair
Ketones Good
Mechanical Properties
Element Value
Coefficient of friction 0.42
Hardness - Rockwell E52-99
Elongation at break( % ) Aug-70
Tensile modulus( GPa ) 02-Mar
Izod impact strength( J m⁻¹ ) 80
Tensile strength( MPa ) 70-150
Electrical Properties
Element Value
Dielectric constant @1MHz 3.4
Dissipation factor @ 1kHz 0.0018
Dielectric strength( kV mm⁻¹ ) 22
Surface resistivity( Ohm/sq ) 10¹⁶
Volume resistivity( Ohmcm ) 10¹⁸
Physical Properties
Element Value
Flammability V0
Radiation resistance Good
Refractive index 1.66
Resistance to Ultra-violet Poor
Limiting oxygen index( % ) 53
Water absorption - over 24 hours( % ) 0.2-2.9
Density( gcm⁻³ ) 1.42
Thermal Properties
Element Value
Heat-deflection temperature - 1.8MPa( C ) 360
Lower working temperature( C ) -270
Upper working temperature( C ) 250-320
Specific heat( J K⁻¹ kg⁻¹ ) 1090
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.1-0.35@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 30-60

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